6.5.3

@rjsf/core

• Fixed processPendingChange leaving optional object keys as undefined after clearing text inputs (invalid for AJV type: "string"), by unsetting keys for resolved non-oneOf/anyOf leaves while preserving explicit undefined for oneOf/anyOf branches, fixing #4518
• Added support for the JSON Schema deprecated keyword in SchemaField, providing options to hide, disable, or label deprecated fields via a new deprecatedHandling global UI option, fixing #5024
• Pass FieldPathList through to findFieldInSchema without per-segment string mapping now that SchemaFieldPath is supported in @rjsf/utils (follow-up to #4518 fix)

@rjsf/utils

• Added deprecatedHandling to GlobalUISchemaOptions and updated StrictRJSFSchema to be recursive, ensuring the deprecated keyword (and future extensions) are supported in all nested schema structures without requiring type casts, fixing #5024
  • Also added DeprecatedLabel to TranslatableString to support internationalization of the deprecated field suffix
• Added SchemaFieldPath (string | FieldPathList) for getFromSchema / findFieldInSchema; fixed schema descent when a segment is numeric 0 (previously skipped due to falsy check); use string keys for required / oneOf fallback matching
• Fixed mergeDefaultsWithFormData calling Object.entries on non-object defaults (e.g. long data: URL strings for single file fields), which iterated every character and caused severe UI freezes, fixing #5055